Of course you must eat.

Come and eat.

I have some one staying here that I should like you to know our Liberal candidate at the next election." "Oh, so you have found one ?" "Of course I have.

Didn't I write to tell you?
A lot of people dine here this evening to meet him.

Perhaps you could stay over night?
Yes, now I come to think of it, I should like you to dine with us.